transform.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2007-2010 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2007-2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
 
 
#ifndef _TRANSFORM_H_
#define _TRANSFORM_H_
 
#include <geometry/eda_angle.h>
#include <math/box2.h>
 
 
class TRANSFORM
{
public:
    int x1;
    int y1;
    int x2;
    int y2;
 
    TRANSFORM() :
            x1( 1 ),
            y1( 0 ),
            x2( 0 ),
            y2( 1 )
    {}
 
    TRANSFORM( int ax1, int ay1, int ax2, int ay2 ) :
            x1( ax1 ),
            y1( ay1 ),
            x2( ax2 ),
            y2( ay2 )
    {}
 
    bool operator==( const TRANSFORM& aTransform ) const;
 
    bool operator!=( const TRANSFORM& aTransform ) const { return !( *this == aTransform ); }
 
    VECTOR2I TransformCoordinate( const VECTOR2I& aPoint ) const;
 
    BOX2I TransformCoordinate( const BOX2I& aRect ) const;
 
    TRANSFORM InverseTransform( ) const;
 
   bool MapAngles( EDA_ANGLE* aAngle1, EDA_ANGLE* aAngle2 ) const;
};
 
namespace std
{
    template <> struct hash<TRANSFORM>
    {
        size_t operator() ( const TRANSFORM& k ) const;
    };
}
 
#endif    // _TRANSFORM_H_